Homework 7, Problem 6:   A vertical spring has a length of 0.25 m when a 0.225 kg mass hangs from it, and a length of 0.775 m when a 2.1 kg mass hangs from it. Part (a)  What is the force constant of the spring, in newtons per meter?  k = ______ Part (b)  What is the unloaded length of the spring, in centimeters? L0  ______

Q: An iron bar is 2(1)/(2)m long. It weighs (3)/(4)kg per metre. Another iron bar is 3(1)/(3)m long and…

A: Length of first iron bar(L1)=12 m density (d1)=34 kg/mlength of second bar(L2)=13 mdensity (d2)=45…

Q: Which of the following functions of x when graphed would give a straight line (linear relationship)?…

A: The graph would give a straight line when the pwer of   x  is  1.    F=kx+qx3  In this equation…

Q: 20.A force of 40.0 N stretches a spring 20.0 cm. Find the spring constant (in .N/m). Show Working…

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Q: Contrast the differences between defining a physical quantity by its units and by its dimensions.…

A: Unit- It is the quantity of standard magnitude & helps to mesaure the magnitude of other…

Q: Question 1: Complete the calculations of the table based on the data given below Test No Weight (N)…

A: Given: Weight, Initial height (H1) and Final height (H2) are given in the table To find: Potential…

Q: To keep the calculations simple, but still reasonable, we shall model a human leg that is 100.0 cm…

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Q: What physical quantity is represented by symbol h in equation gt2 o Height of the device o Disc…

A: Given, I=mr2 gt22h-1 the equation to find moment of inertia.

Q: Given the figure below and if the mass of the beam is 170 g and L1 = 300 mm, determine: (a) M2 if M1…

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Q: A person's heartbeat is measured to be 65 beats per minute.What is the period between heartbeats in…

A: Frequency = 65 beats per minute We need to find time period in seconds.

Q: A person uses a set of spring-based analog scales to measure her weight.  He did the weighing…

A:

Q: an object, from resting runs 14.03m with a constant aceleration of 1.39 m/s^2. determine the time it…

A: Given data:  Initial velocity (u) = 0 m/s Distance (d) = 14.03 m acceleration (a) = 1.39 m/s2…

Q: -) x(- -) × (– e. 36 inches/second x _km/hour

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Q: The average distance, d, that a Galapagos tortoise travels during a day scales with the tortoise’s…

A: Given data:  Distance (d) is proportional to m2/3 Mass of tortoise 1 (m1) = 50 kg Distance traveled…

Q: d. 1 foot/nanosecond x -) ×(- _m/s (Note: “nano" is the metric prefix which is equivalent to 10-9.)

A: solution as

Q: C. Newton's law of universal gravitation states that two particles exert a pull on each other with…

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Q: Ahmed wants to send a box of oranges to a friend by mail. The box of oranges cannot exceed a mass of…

A: Since the mass of the box cannot exceed 10 kg so the mass of oranges cannot be equal to 10 kgs.…

Q: Show solution. Please use the table for conversion 1. 525.27 lbm to kg 2. 60052 tons to lbm 3.…

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Q: Will you help me solve for g?

A: Given data:  The period of the simple pendulum T = 2πLg Asked: To solve for the constant g

Q: uniform silver sphere and a uniform gold sphere have the same mass. What is the ratio of the radius…

A: Volume of sphere = (4/3) π r3  density of gold =19,300 kg/m3  density of silver = 10 490 kg/m3

Q: A spring balance stretches 1.00 cm when a 13.0 N weight is placed in the pan. The spring constant k…

A: weight = mg =13 Nstreched length = x = 1 cm = 0.01 mspring constant = K = ?

Q: A square loop carrying a current I is placed in the x-y plane as shown in the figure. A unifom…

A: Given that magnetic field is in the positive x direction.  Square current loop is placed in a…

Q: 1.56 The vertical post is secured by three cables. The cables are pre-tensioned so that the…

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Q: Figure below shows a body of mass m attached to a spring of stiffness k. Find the differential…

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Q: The force acting on a particle is given by  F(r) = (A/r2)r̂,  where A is a positive constant. (a)…

A: A variable force F= (A/r2 ) where A is positive

Q: A student did the Data Regression for the Helical Spring experiment to find the constants K and mar…

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Q: mass of chain = ☐ Suppose you need 8.5 m of Grade 70 tow chain, which has a diameter of 3/8" and…

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Q: 1-The following equation refers to V-pendulum experiment: Y=-14X+15 and T4 = (44 L k/g2)-(8n4L/g2…

A: Given : T4 = 4 π4Lkg2 - 8 π4Lg2dalso given that Y=-14X+15 Here,Y = T4 and X=d

Q: Dimensions of force constant are (a) [M' L° T-21 (b) [Mª L° T-2] (c) [M° L' T-2] (d) [ML T2I

A: We know that  The expression for force constant is written as           K =  F/ X  Where, F= Force…

Q: Show that for small changes in height h, such that h< <RE , Equation 13.4 reduces to the…

A: The change in potential energy is given as, Here r is radius of Earth.

Q: Calculate the mass (in SI units) of a 1.9 lblb cockatoo. Express your answer with the appropriate…

A: Given data: Weight of cockatoo, W=1.9 lb Known data: Acceleration due to gravity, g=32 ft/s2

Q: A silver wire of radius r= 0.5 mm and resistance 0.06 Ω is connected to a voltage source of 3.1 mV.…

A: Density of free electron n=1.59×1028m-3 The voltage V=3.1 mV=3.1×10-3V The resistance of the wire…

Q: Concrete blocks are being carried upward by a mechanical lifting device but suddenly one of the…

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Q: Convert the following quantities as requested (no computation required): (a) 10 cg =  ___g (grams);…

A: (a) solution- We know that  1 cg = 0.01 g So, 10 cg = 10× 0.01g = 0.1 g = 10-¹ g (a)Answer=> -1

Q: medium that exerts a viscous resistance of 75 lbs when the object has a velocity of 6 ft/sec.…

A: object weighing 40 lbs hangs on the end of a spring, stretching the spring 6 inches. The object is…

Q: A vertical spring has a length of 0.175 m when a 0.25 kg mass hangs from it, and a length of 0.725 m…

A: We know that, The restoring force acting on spring,F  F=−kx                Equation 1 where,…

Q: The gravitational constant is an empirical constant. a) True b) False

A: True or False: The gravitational constant is an empirical constant

Q: A force of 144N acting on a 2.0 kg object initially at rest moves it through a parallel distance of…

A: Given:force acting parallel to displacement, F = 144 Nmass of the object, m = 2.0 kgdisplacement, d…

Q: Problem 9: Consider a rod of length L with a non-uniform mass distribution given by A = A + Bx where…

A: Given that  Mass distribution of rod of length L is given by λ=A+Bx2 Part (c) To find the moment of…

Q: Q1: What is the magnitude of the force acting on a material if the amount of change in length is (4…

A: Given data: Amount of change in length is, ∆x=4 cm=0.04 m. Amount of constant is, k=625 N/m.

Q: The SI unit force is called the kilogram. True O False

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Q: V. Fair A car with mass m = 2000 kg goes up on a steep road at a constant speed of 40 m/s. The slope…

A: Given information: The mass of the car, m=2000 kg The speed of the car, v=40 m/s The slope of the…

Q: A person uses a set of spring-based analog scales to measure her weight.  He did the weighing…

A: The various measurements of weights of the person in kilograms is given as, 60.1 kg,59.6 kg,59.4…